Deception effects on standing center of pressure

Darren S. Mullin, Gregory W. King, Sashi K. Saripalle, Reza R. Derakhshani, Christopher T. Lovelace, Judee K Burgoon

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Accurate deception detection is a desirable goal with many applications including credibility assessment, security screening, counter-terrorism, and homeland security. However, many deception detection methodologies involve intrusive sensors or other limitations that preclude their use in a covert manner. Posturography may overcome these limitations by using minimally invasive force platform technology. In this study, we tested the hypothesis that posturography would reveal deception-related increases in postural rigidity similar to those observed with previous methodologies. Participants were randomly assigned to a control (CG) or experimental group (EG), and interviewed about the contents of a backpack in their possession while standing on a force platform. EG participants were asked to conceal the presence of several "prohibited" items in the backpack from the interviewer. Center of pressure (COP) measures from the force platform were used to characterize postural sway during participants' verbal responses. We observed a significant deception-related increase in sway frequency, an effect primarily occurring during longer responses that is likely related to increased cognitive load. These findings suggest deception-related increases in postural rigidity as reported in previous work, and demonstrate the feasibility of using posturography as a deception detection tool.

Original languageEnglish (US)
Pages (from-to)106-115
Number of pages10
JournalHuman Movement Science
Volume38
DOIs
StatePublished - Dec 1 2014

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Deception
Pressure
Terrorism
Interviews
Technology

Keywords

  • Biomechanics
  • Credibility assessment
  • Deception
  • Human
  • Posture

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Biophysics
  • Experimental and Cognitive Psychology

Cite this

Mullin, D. S., King, G. W., Saripalle, S. K., Derakhshani, R. R., Lovelace, C. T., & Burgoon, J. K. (2014). Deception effects on standing center of pressure. Human Movement Science, 38, 106-115. https://doi.org/10.1016/j.humov.2014.08.009

Deception effects on standing center of pressure. / Mullin, Darren S.; King, Gregory W.; Saripalle, Sashi K.; Derakhshani, Reza R.; Lovelace, Christopher T.; Burgoon, Judee K.

In: Human Movement Science, Vol. 38, 01.12.2014, p. 106-115.

Research output: Contribution to journalArticle

Mullin, DS, King, GW, Saripalle, SK, Derakhshani, RR, Lovelace, CT & Burgoon, JK 2014, 'Deception effects on standing center of pressure', Human Movement Science, vol. 38, pp. 106-115. https://doi.org/10.1016/j.humov.2014.08.009
Mullin DS, King GW, Saripalle SK, Derakhshani RR, Lovelace CT, Burgoon JK. Deception effects on standing center of pressure. Human Movement Science. 2014 Dec 1;38:106-115. https://doi.org/10.1016/j.humov.2014.08.009
Mullin, Darren S. ; King, Gregory W. ; Saripalle, Sashi K. ; Derakhshani, Reza R. ; Lovelace, Christopher T. ; Burgoon, Judee K. / Deception effects on standing center of pressure. In: Human Movement Science. 2014 ; Vol. 38. pp. 106-115.
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